ʻO ka pauka pūpū e pili ana i ka pauda i hana ʻia e ka ʻohi ʻana a me ka ʻeli ʻana i nā pūpū.ʻO 95% o kāna mau mea he calcium carbonate, chitin, a me kahi liʻiliʻi o nā waikawa amino a me nā polysaccharides.Hiki ke hoʻohana ʻia e like me nā mea kiʻekiʻe no ka meaʻai, nā mea hoʻonaninani a me nā mea hoʻonaninani o loko, a hoʻohana ʻia i nā holoholona a me nā moa.ʻO ka hānai a me nā mea hoʻohui kumu calcium meaʻai, ka hana ʻana i nā mea nani, nā desiccants, etc.